Expiries, open interest and quotes across Deribit.
Bitcoin (BTC) has a reference forward of $81,510.50 with $32.65B of options open interest across Deribit: $20B in calls and $12B in puts, a put/call ratio of 0.61, more call than put open interest. The largest expiry is 30OCT26 with $11B open and a max pain of $78,000.00. At-the-money implied volatility for 30OCT26 is 34.0%, and the term structure is upward-sloping, so the market charges more for longer-dated protection. Open interest alone does not reveal whether positions were bought or sold.
Some venue quotes are unavailable; open-interest totals may be incomplete.
| Expiry | Days | Calls OI | Puts OI | Put/Call | Max pain | ATM IV | Strikes | Venues |
|---|---|---|---|---|---|---|---|---|
| 23OCT26 | 0 | $656M | $670M | 1.02 | $82,000.00 | 27.6% | 30 | Deribit |
| 24OCT26 | 1 | $66M | $95M | 1.44 | $83,500.00 | 31.6% | 31 | Deribit |
| 25OCT26 | 2 | $34M | $24M | 0.70 | $83,000.00 | 26.9% | 30 | Deribit |
| 26OCT26 | 3 | $20M | $43M | 2.15 | $81,500.00 | 26.7% | 28 | Deribit |
| 30OCT26 | 7 | $7B | $4B | 0.57 | $78,000.00 | 34.0% | 56 | Deribit |
| 6NOV26 | 14 | $656M | $260M | 0.40 | $82,000.00 | 37.6% | 22 | Deribit |
| 13NOV26 | 21 | $10M | $22M | 2.16 | $81,000.00 | 36.8% | 15 | Deribit |
| 27NOV26 | 35 | $2B | $1B | 0.56 | $81,000.00 | 36.4% | 48 | Deribit |
| 25DEC26 | 63 | $7B | $4B | 0.62 | $75,000.00 | 37.2% | 59 | Deribit |
| 26MAR27 | 154 | $2B | $1B | 0.64 | $76,000.00 | 37.9% | 52 | Deribit |
| 25JUN27 | 245 | $778M | $405M | 0.52 | $70,000.00 | 38.8% | 54 | Deribit |
| 24SEP27 | 336 | $191M | $178M | 0.93 | $84,000.00 | 39.2% | 42 | Deribit |
| Strike | Calls OI | Puts OI | vs forward |
|---|---|---|---|
| 60000 | $202M | $910M | -26.4% |
| 70000 | $543M | $764M | -14.1% |
| 75000 | $282M | $825M | -8.0% |
| 78000 | $247M | $609M | -4.3% |
| 80000 | $1B | $690M | -1.9% |
| 82000 | $514M | $304M | 0.6% |
| 84000 | $536M | $256M | 3.1% |
| 85000 | $780M | $171M | 4.3% |
| 88000 | $923M | $104M | 8.0% |
| 90000 | $2B | $69M | 10.4% |
| 95000 | $2B | $29M | 16.5% |
| 100000 | $2B | $28M | 22.7% |
| Venue | Contract | Side | Size | Price | vs mark |
|---|---|---|---|---|---|
| Trade history is unavailable or incomplete. | |||||
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